Question 1

The conjunctiva lines the inner surface of the eyelid and covers the anterior surface of the sclera.

Accepted Answer

A) True 
 B)False

Question 2

Rods are photoreceptors that provide black and white vision.

Accepted Answer

A) True 
 B)False

Question 3

Taste receptors are

Accepted Answer

A)   found only on the tongue.
B)   unable to divide.
C)   modified connective tissue cells.
D)   modified epithelial cells.
E)   found only on the cheeks and roof of the mouth.F) A) and E)
G) A) and D)

Question 4

The visual disturbance and limb numbness a person with a migraine experiences is probably caused by

Accepted Answer

A)   cerebral blood flow deficiency.
B)   contraction of skeletal muscles associated with the scalp.
C)   excess blood pulsating through cranial vessels.
D)   vasodilation of cerebral vessels.
E)   increased blood flow in the skin of the scalp.F) B) and E)
G) All of the above

Question 5

Referred pain occurs when the brain projects the sensation back to the original source in the body from which the pain originated.

Accepted Answer

A) True 
 B)False

Question 6

Why is reading a book only possible when looking directly at the printed page?

Accepted Answer

A)   Peripheral photoreceptors are not stimulated.
B)   The printed image in focus is projected to the area of keenest vision.
C)   The printed image in focus is projected to the area of highest concentration of cones.
D)   both a and b
E)   both b and cF) B) and E)
G) B) and C)

Question 7

Blowing the nose improperly may cause an infection in the auditory tube to spread to the

Accepted Answer

A)   outer ear.
B)   middle ear.
C)   inner ear.
D)   cochlea.
E)   auricle.F) B) and E)
G) B) and D)

Question 8

An artery and vein pass through the optic disc.

Accepted Answer

A) True 
 B)False

Question 9

Olfactory receptor cells are best described as

Accepted Answer

A)   connective tissue cells.
B)   squamous epithelial cells.
C)   columnar epithelial cells.
D)   bipolar neurons.
E)   modified smooth muscle cells.F) A) and B)
G) B) and E) D

Question 10

The optic disc,fovea centralis,and macula lutea are all structures found in this inner layer of the eye.

Accepted Answer

A)   choroid
B)   retina
C)   sclera
D)   vitreous bodyE) A) and B)
F) B) and C) B

Question 11

The fovea centralis contains a high concentration of rods.

Accepted Answer

A) True 
 B)False

Question 12

Proprioceptors provide sensory input that influences the sense of equilibrium.

Accepted Answer

A) True 
 B)False  True

Question 13

The utricle and saccule contain the sensory receptors associated primarily with the sense of dynamic equilibrium.

Accepted Answer

A) True 
 B)False

Question 14

Tears contain an enzyme that reduces the chances of developing an eye infection.

Accepted Answer

A) True 
 B)False

Question 15

Worldwide,blindness is most commonly caused by changes in the

Accepted Answer

A)   vascular tunic.
B)   nervous tunic.
C)   cornea.
D)   lens.
E)   sclera.F) D) and E)
G) C) and D)

Question 16

The ability of the nervous system to become less responsive to a maintained stimulus is called _____________.

Accepted Answer

A)   immunity
B)   sensory adaptation
C)   accommodation
D)   sensory deprivationE) All of the above
F) A) and B)

Question 17

When stimulated,what is the immediate response of the spiral organ's hair cells?

Accepted Answer

A)   stimulation of motor neurons in the auditory nerve
B)   formation of otoliths
C)   release of neurotransmitter to sensory neurons
D)   vibration of the auditory ossiclesE) A) and C)
F) B) and D)

Question 18

In darkness or conditions of dim light,________ muscles of the iris are stimulated to contract,which ________ the pupil.

Accepted Answer

A)   radial,dilates
B)   circular,dilates
C)   radial,constricts
D)   circular,constrictsE) A) and B)
F) C) and D)

Question 19

Where are olfactory receptors located?

Accepted Answer

A)   in the olfactory bulbs
B)   in the nasal sinuses
C)   in the superior region of the nasal cavityD) B) and C)
E) None of the above

Question 20

The following brain structures that contain pain receptors are

Accepted Answer

A)   meninges on the surface of the brain only.
B)   blood vessels in the brain only.
C)   meninges on the surface of the brain and blood vessels in the brain.
D)   neither meninges on the surface of the brain nor blood vessels in the brain.
E)   nervous tissue in the brain.F) All of the above
G) B) and C)

Exam 10: The Senses

The conjunctiva lines the inner surface of the eyelid and covers the anterior surface of the sclera.

Correct AnswerverifiedShow Answer

Rods are photoreceptors that provide black and white vision.

Correct AnswerverifiedShow Answer

Taste receptors are

Correct AnswerverifiedShow Answer

The visual disturbance and limb numbness a person with a migraine experiences is probably caused by

Correct AnswerverifiedShow Answer

Referred pain occurs when the brain projects the sensation back to the original source in the body from which the pain originated.

Correct AnswerverifiedShow Answer

Why is reading a book only possible when looking directly at the printed page?

Correct AnswerverifiedShow Answer

Blowing the nose improperly may cause an infection in the auditory tube to spread to the

Correct AnswerverifiedShow Answer

An artery and vein pass through the optic disc.

Correct AnswerverifiedShow Answer

Olfactory receptor cells are best described as

Correct AnswerverifiedD

The optic disc,fovea centralis,and macula lutea are all structures found in this inner layer of the eye.

Correct AnswerverifiedB

The fovea centralis contains a high concentration of rods.

Correct AnswerverifiedShow Answer

Proprioceptors provide sensory input that influences the sense of equilibrium.

Correct AnswerverifiedTrue

The utricle and saccule contain the sensory receptors associated primarily with the sense of dynamic equilibrium.

Correct AnswerverifiedShow Answer

Tears contain an enzyme that reduces the chances of developing an eye infection.

Correct AnswerverifiedShow Answer

Worldwide,blindness is most commonly caused by changes in the

Correct AnswerverifiedShow Answer

The ability of the nervous system to become less responsive to a maintained stimulus is called _____________.

Correct AnswerverifiedShow Answer

When stimulated,what is the immediate response of the spiral organ's hair cells?

Correct AnswerverifiedShow Answer

In darkness or conditions of dim light,________ muscles of the iris are stimulated to contract,which ________ the pupil.

Correct AnswerverifiedShow Answer

Where are olfactory receptors located?

Correct AnswerverifiedShow Answer

The following brain structures that contain pain receptors are

Correct AnswerverifiedShow Answer

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D

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B

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True

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In darkness or conditions of dim light, muscles of the iris are stimulated to contract,which the pupil.

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